| collection rocks siltstone | ||||||||||||||||||||||||||||||||||||||||
| navigate by keyword : 2021 aleurolite amursky arkaim august cemented chelyabinsk clays collection composed composition elements feldspars formation fossil geology includes inscription intermediate material mica mineral mineralogy museum natural nature nobody occupies other outdoors plate position quartz raw region river rock rocks russia sample sandstones science sedimentary siltstone silty soils stone texture used utyaganka village | ||||||||||||||||||||||||||||||||||||||||
| 
 | ||||||||||||||||||||||||||||||||||||||||
| Arkaim, Chelyabinsk region, Russia - August, 24, 2021: Collection of rocks. The inscription on the plate: Siltstone No. 10, the Utyaganka river near the village of Amursky. Cemented sedimentary rock, composed of silty soils. The composition includes quartz, mica, feldspars and other elements. It occupies an intermediate position between sandstones and clays. It is used as a raw material for the | ||||||||||||||||||||||||||||||||||||||||
| Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. | ||||||||||||||||||||||||||||||||||||||||